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Experimental study of weld fatigue strength reduction for a stainless steel piping component
Kiwa Inspecta Technology, Sweden.
TS Ingenjörsstatistik, Sweden.
RISE - Research Institutes of Sweden, Safety and Transport, Electronics.
Kiwa Inspecta Technology, Sweden.
2018 (English)In: Procedia Engineering, 2018, p. 383-391Conference paper, Published paper (Refereed)
Abstract [en]

An experimental mean curve and a design fatigue curve corresponding to 95% survival probability were derived from realistic fatigue experiments on a non-welded water pressurized piping component with primarily focus on high cycle fatigue. The components were subjected to a synthetic variable amplitude bending deformation. Comparison with the results obtained for a similar piping component with a circumferential butt weld allowed the determination of an experimental fatigue strength reduction factor. Comparison with the fatigue procedure and design curve in ASME BPVC Section III allowed to quantify its conservatism with regards to accounting for the presence of a weldment and more generally transferability. © 2017 The Authors.

Place, publisher, year, edition, pages
2018. p. 383-391
Keywords [en]
austenitic stainless steel, experimental strain analysis, high cycle fatigue, spectrum loading, welded pipe, Piping systems, Welding, Welds, Experimental strains, Fatigue experiments, Stainless steel piping, Survival probabilities, Variable amplitudes, Welded pipes, Fatigue of materials
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-34472DOI: 10.1016/j.proeng.2018.02.038Scopus ID: 2-s2.0-85047102229OAI: oai:DiVA.org:ri-34472DiVA, id: diva2:1237736
Conference
7th International Conference on Fatigue Design, Fatigue Design 2017, 29 November 2017 through 30 November 2017
Note

 Funding details: Sandvik; .

Available from: 2018-08-09 Created: 2018-08-09 Last updated: 2018-08-09Bibliographically approved

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CiteExportLink to record
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